EP0563841A3 - Magnetic recording and reproducing unit - Google Patents

Magnetic recording and reproducing unit Download PDF

Info

Publication number
EP0563841A3
EP0563841A3 EP19930105136 EP93105136A EP0563841A3 EP 0563841 A3 EP0563841 A3 EP 0563841A3 EP 19930105136 EP19930105136 EP 19930105136 EP 93105136 A EP93105136 A EP 93105136A EP 0563841 A3 EP0563841 A3 EP 0563841A3
Authority
EP
European Patent Office
Prior art keywords
magnetic recording
reproducing unit
reproducing
unit
recording
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19930105136
Other versions
EP0563841A2 (en
EP0563841B1 (en
Inventor
Mitsuhiko Watanabe
Yoshinori Okada
Masahiro Tanaka
Mitsuru Kudo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP0563841A2 publication Critical patent/EP0563841A2/en
Publication of EP0563841A3 publication Critical patent/EP0563841A3/en
Application granted granted Critical
Publication of EP0563841B1 publication Critical patent/EP0563841B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/7824—Television signal recording using magnetic recording on tape with rotating magnetic heads
    • H04N5/7826—Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape
    • H04N5/78263—Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape for recording on tracks inclined relative to the direction of movement of the tape
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/1808—Driving of both record carrier and head
    • G11B15/1875—Driving of both record carrier and head adaptations for special effects or editing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/783—Adaptations for reproducing at a rate different from the recording rate
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • G11B15/125—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams conditioned by the operating function of the apparatus
EP93105136A 1992-03-30 1993-03-29 Magnetic recording and reproducing unit Expired - Lifetime EP0563841B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP74263/92 1992-03-30
JP7426392 1992-03-30

Publications (3)

Publication Number Publication Date
EP0563841A2 EP0563841A2 (en) 1993-10-06
EP0563841A3 true EP0563841A3 (en) 1994-06-29
EP0563841B1 EP0563841B1 (en) 1998-07-08

Family

ID=13542073

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93105136A Expired - Lifetime EP0563841B1 (en) 1992-03-30 1993-03-29 Magnetic recording and reproducing unit

Country Status (3)

Country Link
US (1) US5432648A (en)
EP (1) EP0563841B1 (en)
DE (1) DE69319478T2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5452144A (en) * 1992-09-17 1995-09-19 Sanyo Electric Co., Ltd. Video tape recorder carrying out field extraction recording and/or reproduction of a video signal
JP3271103B2 (en) * 1993-10-08 2002-04-02 ソニー株式会社 Rotary head type recording / reproducing device
KR0145045B1 (en) * 1994-03-31 1998-07-15 김광호 Time lapse video cassette recorder
ES2145271T3 (en) * 1994-04-13 2000-07-01 Rca Thomson Licensing Corp DIGITAL VIDEO RECORDING DEVICE IN CASSETTE WITH IMAGE CONTROL IN TRUCKED PLAYBACK.
US6681076B1 (en) 1994-10-07 2004-01-20 Victor Company Of Japan, Ltd. Magnetic recording and reproducing apparatus for automatically setting the traveling speed of the recording medium in accordance with the transmission rate of the input digital signal
EP0706182B1 (en) * 1994-10-07 2004-06-16 Victor Company of Japan, Ltd Magnetic recording and reproducing apparatus
EP1096479B1 (en) * 1995-03-07 2003-12-03 Matsushita Electric Industrial Co., Ltd. System and method for recording and reproducing data
DE69632336T2 (en) * 1995-11-13 2005-05-25 Quantum Corp., Milpitas HEADSHAFT MECHANISM FOR DRIVES
WO1998011736A2 (en) * 1996-09-11 1998-03-19 Philips Electronics N.V. System for the multi-speed reproduction of recorded color television signals and for the correction of color sequence errors in reproduced color television signals
DE19804628C2 (en) * 1997-02-06 2000-12-28 Samsung Electronics Co Ltd Method of reproducing a low-speed video signal in a video cassette recorder
JP4128735B2 (en) * 2000-10-26 2008-07-30 富士フイルム株式会社 Magnetic tape

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4241365A (en) * 1975-10-31 1980-12-23 Matsushita Electric Industrial Co., Ltd. Magnetic video recording and reproducing device
GB2078430A (en) * 1980-05-26 1982-01-06 Victor Company Of Japan System for reproducing a video signal in a slow motion or still picture mode
JPS59216385A (en) * 1983-05-23 1984-12-06 Mitsubishi Electric Corp Magnetic reproducing device
US4796128A (en) * 1985-07-11 1989-01-03 Canon Kabushiki Kaisha Rotary head type reproducing apparatus
JPH02280480A (en) * 1989-04-21 1990-11-16 Victor Co Of Japan Ltd Magnetic reproducing device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58128001A (en) * 1982-01-22 1983-07-30 Sony Corp Reproducer for sound signal
JPH0640405B2 (en) * 1986-06-14 1994-05-25 株式会社日立製作所 Magnetic recording / reproducing device
DE3629481A1 (en) * 1986-08-29 1988-03-03 Thomson Brandt Gmbh VIDEO RECORDER
KR100221067B1 (en) * 1991-03-30 1999-09-15 윤종용 Apparatus and method for removing noise at slow or search mode in a vtr

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4241365A (en) * 1975-10-31 1980-12-23 Matsushita Electric Industrial Co., Ltd. Magnetic video recording and reproducing device
GB2078430A (en) * 1980-05-26 1982-01-06 Victor Company Of Japan System for reproducing a video signal in a slow motion or still picture mode
JPS59216385A (en) * 1983-05-23 1984-12-06 Mitsubishi Electric Corp Magnetic reproducing device
US4796128A (en) * 1985-07-11 1989-01-03 Canon Kabushiki Kaisha Rotary head type reproducing apparatus
JPH02280480A (en) * 1989-04-21 1990-11-16 Victor Co Of Japan Ltd Magnetic reproducing device
US5184254A (en) * 1989-04-21 1993-02-02 Victor Company Of Japan, Ltd. Playback apparatus for playing back video information recorded on magnetic tape and providing smooth-frame still or slow motion video

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 009, no. 085 (E - 308) 13 April 1985 (1985-04-13) *
PATENT ABSTRACTS OF JAPAN vol. 015, no. 050 (E - 1030) 6 February 1991 (1991-02-06) *

Also Published As

Publication number Publication date
US5432648A (en) 1995-07-11
DE69319478D1 (en) 1998-08-13
EP0563841A2 (en) 1993-10-06
DE69319478T2 (en) 1998-12-10
EP0563841B1 (en) 1998-07-08

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